Home / 401,014.78-601,325.24-198,376.74

Finding the Fourth Proportional to 401,014.78, 601,325.24 and 198,376.74

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Solution

The fourth proportional to 401,014.78, 601,325.24 and 198,376.74 is: 297,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,014.78 : 601,325.24 = 198,376.74 : x
  2. Step 2: Convert to fraction form
    401,014.78/601,325.24 = 198,376.74/x
  3. Step 3: Cross multiply
    401,014.78x = 601,325.24 × 198,376.74
  4. Step 4: Simplify right side
    401,014.78x = 119,288,939,799.03
  5. Step 5: Solve for x
    x = 119,288,939,799.03/401,014.78
  6. Step 6: Final answer
    x = 297,467.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.